<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>黑马web项目6</title>
		<style>
			body{
				background: url(imges/05-dm02.jpg) ;
			}
			div{
				background-color: white;
				width: 300px;
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				opacity: 0.5;
				position: absolute;
				top: 42%;
				left: 42%;
			}
			a {
				text-decoration: none;
				color: #000000;
				display: table;
			}
		</style>
	</head>
	<body>
		<div class="box">
			<a href="demo1.html">媒体查询</a>
			<a href="demo2.html">栅格系统布局</a>
			<a href="demo03-1.html">弹性盒属性flex-direction</a>
			<a href="demo03-2.html">弹性盒属性flex-wrap</a>
			<a href="demo03-3.html">弹性盒属性flex-wrap</a>
            <a href="demo04.html">弹性盒布局</a>
		</div>
	</body>
</html>
